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Other Lines

● Yellow Line

Chennai Metro Rail (CMRL)

Active

Stations

10 Active 17 Construction

14.6 km

Line Length

Poonamallee Bypass Porur Junction

Terminal Stations

Chennai Metro Yellow Line Overview

The Yellow Line, Corridor 4 of Chennai Metro Phase 2, will run about 26 km from Poonamallee Bypass to Lighthouse on Marina Beach. Its first section, about 15 km from Poonamallee Bypass to Vadapalani with 11 stations, opened on 11 October 2026 after being flagged off by Prime Minister Narendra Modi. The underground Vadapalani-Lighthouse stretch through Kodambakkam and Mylapore is under construction. Explore the Chennai Metro Yellow Line route map, full station list, interchange stations, fares, first and last train timings and top attractions nearby.

Yellow Line Station List 2026 (10 Active)

Parking Feeder Bus ATM Restroom

#	Station	Amenities
1	Porur Junction
2	Porur Bypass
3	Thelliyaragaram
4	Iyyapanthangal
5	Kattupakkam
6	Kumananchavadi
7	Karayanchavadi
8	Poonamallee Government Hospital
9	Poonamallee Bus Stand
10	Poonamallee Bypass

Under Construction · Proposed

Lighthouse

Kutchery Road

Thirumayilai

Alwarpet

Bharathidasan Road

Boat Club

Nandanam

Panagal Park

Kodambakkam

Kodambakkam Powerhouse

Vadapalani

Saligramam

Virugambakkam South

Alwar Thirunagar

Valasaravakkam

Karambakkam

Alapakkam

See Full CMR Station List

Yellow Line Route Map 2026

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Chennai Metro Yellow Line Route Map 2026

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Official Map

Yellow Line History, Facts & Expansion

The Yellow Line is Corridor 4 of Chennai Metro Phase 2, planned from Poonamallee Bypass to Lighthouse.
The full corridor is about 26 km long with around 30 stations.
The Poonamallee Bypass-Vadapalani section, about 15 km with 11 stations, opened to passengers on 11 October 2026.
Stations on the operational section include Poonamallee Bypass, Poonamallee Bus Stand, Karayanchavadi, Kattupakkam, Iyyappanthangal, Porur Bypass, Porur Junction and Vadapalani.
The section includes a double-decker viaduct of about 3.7 km.
Initial services run from 7 am to 9 pm.
Vadapalani provides an interchange with the Green Line.
Corridor 4 runs along Arcot Road and Kodambakkam High Road.
Phase 2 is the largest metro project in Tamil Nadu, covering about 119 km across three corridors.
The line uses driverless-capable trains.
Porur Junction is planned as an interchange with Corridor 5.

Chennai Metro Yellow Line Phase-wise Expansion

Phase 2 - Stage 1 (2026) (Completed)

Poonamallee Bypass-Vadapalani, about 15 km with 11 stations, opened on 11 October 2026.

Phase 2 - Stage 2: Vadapalani-Lighthouse (Under construction)

About 11.5 km, mostly underground; commissioning date not yet announced.

Future Extension: Poonamallee-Parandur (Proposed)

A feasibility study for extending towards the proposed Parandur airport was submitted in 2024.

Yellow Line FAQs

Chennai Metro Yellow Line currently has 11 operational stations between Poonamallee Bypass and Vadapalani.

Vadapalani is the interchange station connecting the Yellow Line with the Green Line.

Yes, the Yellow Line is operational between Poonamallee Bypass and Vadapalani. Regular services run daily from 7:00 AM to 9:00 PM.

Regular services operate from 7:00 AM to 9:00 PM daily. Trains run approximately every 10 minutes during weekday and Saturday peak hours, and every 15 minutes during off-peak hours, Sundays, and holidays.

The Yellow Line's currently operational stretch does not have a direct Indian Railways interchange station. Passengers can use the interchange at Vadapalani to connect with the existing Metro network.

Travel to Vadapalani and change to the Green Line. Continue to Alandur and transfer to the Blue Line towards Chennai Airport. Check current connections before travelling.

Yes. The Yellow Line is part of Phase II Corridor 4, which is planned to extend beyond the currently operational Poonamallee Bypass–Vadapalani section as construction progresses.

The Yellow Line connects to the Green Line at Vadapalani, allowing passengers to transfer between the two corridors.

Chennai Metro offers travel-pass options for passengers. Please check the latest Chennai Metro Rail Limited fare and ticketing information to confirm the availability and validity of a one-day pass on the Yellow Line.